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Business & Economics
Why good ideas get trapped in the valley of death— and how to rescue them
lesson duration 05:10
751,320 views
Science & Technology
What it's like to live on the International Space Station - Cady Coleman
lesson duration 06:17
76,057 views
397,503 views
Science & Technology
The incredible, bendable, twistable, expandable elephant trunk
lesson duration 05:10
253,030 views
367,775 views
Science & Technology
The material that could change the world... for a third time
lesson duration 05:27
891,993 views
603,945 views
1,393,588 views
1,673,724 views
1,749,012 views
1,233,225 views
Science & Technology
Climate change will displace millions. Here's how we prepare - Colette Pichon Battle
lesson duration 12:48
134,604 views
Science & Technology
3 bizarre (and delightful) ancient theories about bird migration
lesson duration 05:42
340,240 views
Design, Engineering & Technology
Building the world's largest (and most controversial) power plant
lesson duration 05:38
908,650 views